Nathaniel Philbrick, author of In the Heart of the Sea, talks about his interest in the whaleship Essex and the history of whaling on Nantucket. Hear more about Philbrick's historical interests and other works he has written.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
The New Deal program CCC put three million young men to work in camps across America.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
The contradictory history of a dam that became a statement of American power and prestige.
In 1927, the Mississippi River flooded from New Orleans to Illinois, leaving a million people homeless and leading to a major black migration to the North.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.